Question

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Hello guys!!
Answer it pls!!
A, B and C can complete a work in 2 h. If A does the job alone in 6 h and B in 5 h, how long will it take for C to finish the job alone?​

Answer 1

Answer:

1/6 + 1/5 + C = 1/2

(6+5)/30 + C = 1/2

11/30 + C = 1/2

C = 1/2 - 11/30

C = 1*15/2*15 - 11/30

C = (15-11)/30

C = 4/30

C = 2/15 h

Answer 2

Answer:

hey mate here is your answer:

please refer to the attachment

thank you :)